Subiendo api v2
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deps/cowboy_telemetry/.hex
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deps/cowboy_telemetry/.hex
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191
deps/cowboy_telemetry/LICENSE
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deps/cowboy_telemetry/LICENSE
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Apache License
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70
deps/cowboy_telemetry/README.md
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deps/cowboy_telemetry/README.md
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||||
cowboy_telemetry
|
||||
=====
|
||||
|
||||
[](https://hex.pm/packages/cowboy_telemetry)
|
||||
[](https://github.com/beam-telemetry/cowboy_telemetry/actions)
|
||||
|
||||
[Telemetry](https://github.com/beam-telemetry/telemetry) instrumentation for the [Cowboy](https://github.com/ninenines/cowboy) HTTP server.
|
||||
|
||||
This package contains a [`cowboy_stream`](https://ninenines.eu/docs/en/cowboy/2.8/manual/cowboy_stream/) handler that will instrument each request and emit `telemetry` events.
|
||||
|
||||
## Usage
|
||||
|
||||
Configure your cowboy server with the `cowboy_telemetry_h` stream handler first.
|
||||
|
||||
```erlang
|
||||
cowboy:start_clear(http, [{port, Port}], #{
|
||||
env => #{dispatch => Dispatch},
|
||||
stream_handlers => [cowboy_telemetry_h, cowboy_stream_h]
|
||||
}.
|
||||
```
|
||||
|
||||
## Telemetry Events
|
||||
|
||||
#### `[cowboy, request, start]`
|
||||
|
||||
A span event emitted at the beginning of a request.
|
||||
|
||||
* `measurements`: `#{system_time => erlang:system_time()}`
|
||||
* `metadata`: `#{stream_id => cowboy_stream:streamid(), req => cowboy_req:req()}`
|
||||
|
||||
#### `[cowboy, request, stop]`
|
||||
|
||||
A span event emitted at the end of a request.
|
||||
|
||||
* `measurements`: `measurements()`
|
||||
* `metadata`: `metadata()`
|
||||
|
||||
If the request is terminated early - by the client or by the server - before a response is sent, the metadata will also contain an `error`:
|
||||
|
||||
* `metadata`: `metadata()` + `#{error => cowboy_stream:reason()}`
|
||||
|
||||
#### `[cowboy, request, exception]`
|
||||
|
||||
A span event emitted if the request process exits.
|
||||
|
||||
* `measurements`: `measurements()`
|
||||
* `metadata`: `metadata()` + `#{kind => exit, stacktrace => list()}`
|
||||
|
||||
#### `[cowboy, request, early_error]`
|
||||
|
||||
A single event emitted when Cowboy itself returns an `early_error` response before executing any handlers.
|
||||
|
||||
* `measurements`: `#{system_time => erlang:system_time(), resp_body_length => non_neg_integer()}`
|
||||
* `metadata`: `metadata()` without `procs` or `informational`
|
||||
|
||||
### Types
|
||||
|
||||
* `measurements()`:
|
||||
* `duration :: req_start - req_end` see [`cowboy_metrics_h`](https://github.com/ninenines/cowboy/blob/master/src/cowboy_metrics_h.erl#L75)
|
||||
* `req_body_duration :: req_body_start - req_body_end` see [`cowboy_metrics_h`](https://github.com/ninenines/cowboy/blob/master/src/cowboy_metrics_h.erl#L80)
|
||||
* `resp_duration :: resp_start - resp_end` see [`cowboy_metrics_h`](https://github.com/ninenines/cowboy/blob/master/src/cowboy_metrics_h.erl#L87)
|
||||
* `req_body_length :: non_neg_integer()`
|
||||
* `resp_body_length :: non_neg_integer()`
|
||||
* `metadata()`:
|
||||
* `pid`, `streamid`, `req`, `resp_headers`, `resp_status`, and `ref` from `cowboy_metrics_h:metrics()`
|
||||
* `cowboy_metrics_h:metrics()`: Defined in [`cowboy_metrics_h`](https://github.com/ninenines/cowboy/blob/master/src/cowboy_metrics_h.erl#L46)
|
||||
|
||||
Note:
|
||||
|
||||
* The `telemetry` handlers are executed from the cowboy connection process, not from the request process.
|
||||
BIN
deps/cowboy_telemetry/_build/prod/lib/.rebar3/rebar_compiler_erl/source.dag
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deps/cowboy_telemetry/_build/prod/lib/.rebar3/rebar_compiler_erl/source.dag
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20
deps/cowboy_telemetry/hex_metadata.config
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deps/cowboy_telemetry/hex_metadata.config
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|
||||
{<<"app">>,<<"cowboy_telemetry">>}.
|
||||
{<<"build_tools">>,[<<"rebar3">>]}.
|
||||
{<<"description">>,<<"Telemetry instrumentation for Cowboy">>}.
|
||||
{<<"files">>,
|
||||
[<<"LICENSE">>,<<"README.md">>,<<"rebar.config">>,<<"rebar.lock">>,
|
||||
<<"src/cowboy_telemetry.app.src">>,<<"src/cowboy_telemetry_h.erl">>]}.
|
||||
{<<"licenses">>,[<<"Apache 2.0">>]}.
|
||||
{<<"links">>,
|
||||
[{<<"Github">>,<<"https://github.com/beam-telemetry/cowboy_telemetry">>}]}.
|
||||
{<<"name">>,<<"cowboy_telemetry">>}.
|
||||
{<<"requirements">>,
|
||||
[{<<"cowboy">>,
|
||||
[{<<"app">>,<<"cowboy">>},
|
||||
{<<"optional">>,false},
|
||||
{<<"requirement">>,<<"~> 2.7">>}]},
|
||||
{<<"telemetry">>,
|
||||
[{<<"app">>,<<"telemetry">>},
|
||||
{<<"optional">>,false},
|
||||
{<<"requirement">>,<<"~> 1.0">>}]}]}.
|
||||
{<<"version">>,<<"0.4.0">>}.
|
||||
6
deps/cowboy_telemetry/rebar.config
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6
deps/cowboy_telemetry/rebar.config
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|
||||
{erl_opts, [debug_info]}.
|
||||
{project_plugins, [rebar3_hex]}.
|
||||
{deps, [
|
||||
{telemetry, "~> 1.0"},
|
||||
{cowboy, "~> 2.7"}
|
||||
]}.
|
||||
17
deps/cowboy_telemetry/rebar.lock
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deps/cowboy_telemetry/rebar.lock
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|
||||
{"1.2.0",
|
||||
[{<<"cowboy">>,{pkg,<<"cowboy">>,<<"2.8.0">>},0},
|
||||
{<<"cowlib">>,{pkg,<<"cowlib">>,<<"2.9.1">>},1},
|
||||
{<<"ranch">>,{pkg,<<"ranch">>,<<"1.7.1">>},1},
|
||||
{<<"telemetry">>,{pkg,<<"telemetry">>,<<"1.0.0">>},0}]}.
|
||||
[
|
||||
{pkg_hash,[
|
||||
{<<"cowboy">>, <<"F3DC62E35797ECD9AC1B50DB74611193C29815401E53BAC9A5C0577BD7BC667D">>},
|
||||
{<<"cowlib">>, <<"61A6C7C50CF07FDD24B2F45B89500BB93B6686579B069A89F88CB211E1125C78">>},
|
||||
{<<"ranch">>, <<"6B1FAB51B49196860B733A49C07604465A47BDB78AA10C1C16A3D199F7F8C881">>},
|
||||
{<<"telemetry">>, <<"0F453A102CDF13D506B7C0AB158324C337C41F1CC7548F0BC0E130BBF0AE9452">>}]},
|
||||
{pkg_hash_ext,[
|
||||
{<<"cowboy">>, <<"4643E4FBA74AC96D4D152C75803DE6FAD0B3FA5DF354C71AFDD6CBEEB15FAC8A">>},
|
||||
{<<"cowlib">>, <<"E4175DC240A70D996156160891E1C62238EDE1729E45740BDD38064DAD476170">>},
|
||||
{<<"ranch">>, <<"451D8527787DF716D99DC36162FCA05934915DB0B6141BBDAC2EA8D3C7AFC7D7">>},
|
||||
{<<"telemetry">>, <<"73BC09FA59B4A0284EFB4624335583C528E07EC9AE76ACA96EA0673850AEC57A">>}]}
|
||||
].
|
||||
10
deps/cowboy_telemetry/src/cowboy_telemetry.app.src
vendored
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10
deps/cowboy_telemetry/src/cowboy_telemetry.app.src
vendored
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@ -0,0 +1,10 @@
|
||||
{application,cowboy_telemetry,
|
||||
[{description,"Telemetry instrumentation for Cowboy"},
|
||||
{vsn,"0.4.0"},
|
||||
{registered,[]},
|
||||
{applications,[kernel,stdlib,telemetry]},
|
||||
{env,[]},
|
||||
{modules,[]},
|
||||
{licenses,["Apache 2.0"]},
|
||||
{links,[{"Github",
|
||||
"https://github.com/beam-telemetry/cowboy_telemetry"}]}]}.
|
||||
92
deps/cowboy_telemetry/src/cowboy_telemetry_h.erl
vendored
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92
deps/cowboy_telemetry/src/cowboy_telemetry_h.erl
vendored
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|
||||
-module(cowboy_telemetry_h).
|
||||
-behavior(cowboy_stream).
|
||||
|
||||
-export([init/3]).
|
||||
-export([data/4]).
|
||||
-export([info/3]).
|
||||
-export([terminate/3]).
|
||||
-export([early_error/5]).
|
||||
|
||||
init(StreamID, Req, Opts) ->
|
||||
telemetry:execute(
|
||||
[cowboy, request, start],
|
||||
#{system_time => erlang:system_time()},
|
||||
#{streamid => StreamID, req => Req}),
|
||||
cowboy_metrics_h:init(StreamID, Req, add_metrics_callback(Opts)).
|
||||
|
||||
info(StreamID, Info, State) ->
|
||||
cowboy_metrics_h:info(StreamID, Info, State).
|
||||
|
||||
data(StreamID, IsFin, Data, State) ->
|
||||
cowboy_metrics_h:data(StreamID, IsFin, Data, State).
|
||||
|
||||
terminate(StreamID, Reason, State) ->
|
||||
cowboy_metrics_h:terminate(StreamID, Reason, State).
|
||||
|
||||
early_error(StreamID, Reason, PartialReq, Resp, Opts) ->
|
||||
cowboy_metrics_h:early_error(StreamID, Reason, PartialReq, Resp, add_metrics_callback(Opts)).
|
||||
|
||||
%
|
||||
|
||||
add_metrics_callback(Opts) ->
|
||||
maps:put(metrics_callback, fun metrics_callback/1, Opts).
|
||||
|
||||
metrics_callback(#{early_error_time := Time} = Metrics) when is_number(Time) ->
|
||||
{RespBodyLength, Metadata} = maps:take(resp_body_length, Metrics),
|
||||
telemetry:execute(
|
||||
[cowboy, request, early_error],
|
||||
#{system_time => erlang:system_time(), resp_body_length => RespBodyLength},
|
||||
Metadata);
|
||||
metrics_callback(#{reason := {internal_error, {'EXIT', _, {Reason, Stacktrace}}, _}} = Metrics) ->
|
||||
telemetry:execute(
|
||||
[cowboy, request, exception],
|
||||
measurements(Metrics),
|
||||
(metadata(Metrics))#{kind => exit, reason => Reason, stacktrace => Stacktrace});
|
||||
metrics_callback(#{reason := {ErrorType, _, _} = Reason} = Metrics)
|
||||
when ErrorType == socket_error;
|
||||
ErrorType == connection_error ->
|
||||
telemetry:execute(
|
||||
[cowboy, request, stop],
|
||||
measurements(Metrics),
|
||||
(metadata(Metrics))#{error => Reason});
|
||||
metrics_callback(Metrics) ->
|
||||
telemetry:execute(
|
||||
[cowboy, request, stop],
|
||||
measurements(Metrics),
|
||||
metadata(Metrics)).
|
||||
|
||||
measurements(Metrics) ->
|
||||
#{req_body_length := ReqBodyLength, resp_body_length := RespBodyLength} = Metrics,
|
||||
|
||||
#{
|
||||
duration => duration(req_start, req_end, Metrics),
|
||||
req_body_duration => duration(req_body_start, req_body_end, Metrics),
|
||||
resp_duration => duration(resp_start, resp_end, Metrics),
|
||||
req_body_length => ReqBodyLength,
|
||||
resp_body_length => RespBodyLength
|
||||
}.
|
||||
|
||||
metadata(Metrics) ->
|
||||
#{
|
||||
pid := Pid,
|
||||
streamid := Streamid,
|
||||
req := Req,
|
||||
resp_headers := RespHeaders,
|
||||
resp_status := RespStatus,
|
||||
ref := Ref
|
||||
} = Metrics,
|
||||
|
||||
#{
|
||||
pid => Pid,
|
||||
streamid => Streamid,
|
||||
req => Req,
|
||||
resp_headers => RespHeaders,
|
||||
resp_status => RespStatus,
|
||||
ref => Ref
|
||||
}.
|
||||
|
||||
duration(StartKey, EndKey, Metrics) ->
|
||||
case Metrics of
|
||||
#{StartKey := Start, EndKey := End} when is_integer(Start), is_integer(End) -> End - Start;
|
||||
#{} -> 0
|
||||
end.
|
||||
Reference in New Issue
Block a user